Overall download size: 29.1 M. After the operation, additional 61.5 M
will be used.
Continue? [YES/no]:
No way does sensors need documentation.
Why is this counterproductive setting enabled, and where can it be
changed?

it seems solver wants to install something even if zypper didn't tell it to
install anything:

$ zypper install foo
Reading installed packages...
'foo' not found.

The following NEW package is going to be installed:
gdm-branding-openSUSE